package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * 全局异常处理类
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {




    //精准返回异常信息
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
      log.error("数据校验出现问题{},异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        HashMap<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError -> {
            errorMap.put(fieldError.getField(),fieldError.getDefaultMessage());
        }));
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(),BizCodeEnum.VAILD_EXCEPTION.getMessage()).put("data",errorMap);
    }

    //全局返回异常信息
//    @ExceptionHandler(value = Throwable.class)
//    public R handleException(Throwable e){
//        log.error("出现异常{},异常类型：{}",e.getMessage(),e.getClass());
//
//        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(),BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
//    }

}
